WO2013027992A2 - Unité de rétro-éclairage et dispositif d'affichage à cristaux liquides et machine de jeu comprenant ceux-ci - Google Patents

Unité de rétro-éclairage et dispositif d'affichage à cristaux liquides et machine de jeu comprenant ceux-ci Download PDF

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Publication number
WO2013027992A2
WO2013027992A2 PCT/KR2012/006619 KR2012006619W WO2013027992A2 WO 2013027992 A2 WO2013027992 A2 WO 2013027992A2 KR 2012006619 W KR2012006619 W KR 2012006619W WO 2013027992 A2 WO2013027992 A2 WO 2013027992A2
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
optical switch
switch plate
light source
reel
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PCT/KR2012/006619
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English (en)
Korean (ko)
Other versions
WO2013027992A3 (fr
Inventor
김용범
Original Assignee
주식회사 토비스
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Application filed by 주식회사 토비스 filed Critical 주식회사 토비스
Priority to AU2012299609A priority Critical patent/AU2012299609B2/en
Priority to EP12826362.1A priority patent/EP2737931A4/fr
Priority to US14/239,853 priority patent/US20140200069A1/en
Publication of WO2013027992A2 publication Critical patent/WO2013027992A2/fr
Publication of WO2013027992A3 publication Critical patent/WO2013027992A3/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F5/00—Roulette games
    • A63F5/04—Disc roulettes; Dial roulettes; Teetotums; Dice-tops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13476—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer assumes a scattering state
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/3202—Hardware aspects of a gaming system, e.g. components, construction, architecture thereof
    • G07F17/3204—Player-machine interfaces
    • G07F17/3211—Display means
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/3202—Hardware aspects of a gaming system, e.g. components, construction, architecture thereof
    • G07F17/3204—Player-machine interfaces
    • G07F17/3211—Display means
    • G07F17/3213—Details of moving display elements, e.g. spinning reels, tumbling members
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • G02F1/133557—Half-mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/62—Switchable arrangements whereby the element being usually not switchable

Definitions

  • the present invention relates to a back light unit for a liquid crystal display, a liquid crystal display and a game machine including the same. More specifically, the present invention relates to a backlight unit capable of selectively making a set area into a transparent area, and a liquid crystal display and a game machine including the same.
  • game machines such as slot machines used in casinos.
  • a game machine such as a slot machine has a plurality of reels in which a symbol such as a picture or a number is displayed, and in some cases, a method in which a game result depends on a combination of symbols displayed on the reel.
  • liquid crystal panel is adopted in a game machine having such a reel, and a method of displaying information, various advertisements, and the like necessary for game progression has been introduced on the liquid crystal panel.
  • Korean Patent Laid-Open Publication No. 10-2007-0055766 name of the invention: a game machine with a display screen
  • a light guide plate of a backlight unit of a liquid crystal display device formed of a transparent or translucent material, and the rear side of an area of the light guide plate. No scratch or dot pattern is formed in the area corresponding to the symbol display of the reel so that the symbol of the reel behind can be seen in front of the liquid crystal display through the area where the pattern is not formed.
  • 10-2006-0049328 removes an area corresponding to a symbol display area of a reel from areas of a diffusion sheet, a light guide plate, and a reflector of a backlight unit.
  • a method of allowing a symbol of a reel to be viewed in front of a liquid crystal display is disclosed.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a backlight unit for a liquid crystal display device in which a predetermined area can be converted to a transparent state, and a liquid crystal display device and a game machine including the same. To provide.
  • An backlight unit for a liquid crystal display may include an optical switch plate formed so that a predetermined area may be selectively in a transparent or opaque state, a half mirror disposed behind the optical switch plate, And a first light source disposed in front of the half mirror and emitting light traveling forward through the light switch plate, and a second light source emitting light disposed behind the half mirror.
  • the optical switch plate may be disposed in a space between the pair of transparent plates, and a pair of transparent plates each having a transparent electrode formed in a predetermined region corresponding to each other among the facing surfaces. It may include a polymer dispersed liquid crystal layer consisting of a polymer dispersed liquid crystal.
  • a liquid crystal display device includes a backlight unit according to an embodiment of the present invention, and a liquid crystal panel disposed in front of the optical switch plate.
  • the game machine includes a liquid crystal panel, a backlight unit disposed behind the liquid crystal panel, and one or more reels disposed behind the backlight unit and displaying a plurality of symbols.
  • the backlight unit may be formed using a polymer dispersed liquid crystal layer so that a predetermined region corresponding to a symbol selection region where a symbol selected from among a plurality of symbols displayed on the reel is located may be selectively transparent or opaque.
  • the preset area of the optical switch plate is controlled to be in an opaque state
  • the second light source is controlled to be in an off state
  • the first light source is in an on state. Can be controlled.
  • the preset area of the optical switch plate may be controlled to be in a transparent state and the second light source may be controlled to be in an on state.
  • the present invention it is possible to selectively display the symbol of the reel disposed behind the liquid crystal panel by the optical switch plate, and further, when the symbol of the reel is visible, the light reflected by the reel by the half mirror and directed toward the front side. This greatly reduces the distortion of the image, such as stains caused by the light reflected by the reel.
  • FIG. 1 is a perspective view of a game machine according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a liquid crystal display and a reel of the game machine according to the embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 2.
  • FIG. 4 is a view for explaining the positional relationship between a pair of transparent plates, an optical switch plate, and a symbol selection region of a reel of a backlight unit of a liquid crystal display of a game machine according to an embodiment of the present invention.
  • 5 and 6 are views for explaining the operation of the game machine according to another embodiment of the present invention.
  • the liquid crystal display according to the embodiment of the present invention including the backlight unit according to the embodiment of the present invention and the backlight unit according to the embodiment of the present invention is included in the game machine according to the embodiment of the present invention, the present invention is implemented.
  • the description of the backlight unit and the liquid crystal display according to the example will be replaced by the description of the game machine according to the embodiment of the present invention.
  • a game machine may include a cabinet 101 having a cabinet shape, and various parts and a controller required for game play may be mounted on the body 101. have.
  • the body 101 may be equipped with various components necessary for game play, such as an input hole 103 for inputting coins or money, various input buttons 105 for game play, and the like.
  • the game machine includes a liquid crystal display device 200, which is a display device for displaying an image, and a reel 300 disposed behind the liquid crystal display device 200.
  • the liquid crystal display 200 may include a liquid crystal display panel 21 and a backlight unit 22.
  • the liquid crystal display device 200 may be installed in the body 101 of the game machine such that the front surface of the liquid crystal panel 21 is visible. Accordingly, the liquid crystal display 200 may serve as an image display unit of a game machine, and display various information, images, and other advertisements necessary for game execution and be formed so that a person playing the game can see it.
  • the liquid crystal display 200 may operate to display a desired image in the entire image display area of the liquid crystal panel 21, or the preset area of the entire image display area may be switched to a transparent or translucent state. Should work.
  • transparent or translucent means that an object or an image behind it can be seen from the front side, and hereinafter “transparent or translucent” is simply referred to as “transparent”.
  • the preset area is an area corresponding to the symbol selection area in which the selected symbol of the reel 300 disposed behind the liquid crystal display device 200 is located.
  • the predetermined area becomes transparent, the liquid crystal display device 200 is located behind the liquid crystal display device 200.
  • a symbol for example, a figure, a number, a figure, etc.
  • displayed in the symbol selection area of the reel 300 disposed can be viewed from the front of the liquid crystal display 200.
  • the liquid crystal display 200 When the liquid crystal display 200 operates so that the above-described preset area is transparent, the symbol displayed on the reel 300 is visible from the front of the game machine through the above-mentioned miril set area so that the game using the symbol of the reel 300 can be played. Can be done.
  • the liquid crystal display 200 may display the symbol of the reel 300 through the predetermined area and display information necessary for game play or other necessary information or images in the remaining image display area. .
  • the liquid crystal display 200 when the liquid crystal display 200 is opaque (for example, displaying an image on the entire image display area), the liquid crystal display 200 operates as a conventional display device (i.e., the reel behind May be operated so that an image may be displayed on the entire image display area of the liquid crystal display device without being visible.
  • a backlight unit for implementing such a function, and a liquid crystal display and a game device including the same will be described in detail below.
  • the liquid crystal display 200 includes a liquid crystal panel 21 and a backlight unit 22 that are arranged in parallel with each other.
  • the liquid crystal panel 21 may be a conventional transparent liquid crystal panel, and for example, may be formed by sealing a liquid crystal in a space formed between transparent plates facing each other such as a glass plate on which a transistor layer having a thin layer structure is formed.
  • the basic display mode of the liquid crystal panel 21 may be set to normally white.
  • normally white means that a white display state (a state in which light can be transmitted toward the display surface, that is, a state in which light transmitted toward the display surface can be seen from the outside) is realized while the liquid crystal panel is not driven. it means.
  • the backlight unit 22 serves as a light source of the liquid crystal display 200 and is disposed behind the liquid crystal panel 21.
  • the liquid crystal display 200 may further include a chassis including various frames, holders, etc. for assembling the liquid crystal panel 21 and the backlight unit 22. Can be.
  • the liquid crystal display 200 may include various components as are commonly known, such as a driving circuit for driving the liquid crystal panel 21.
  • the distance between the liquid crystal panel 21 and the backlight unit 22 is enlarged and displayed for convenience of expression, the two may be in close contact with each other or may be disposed at a slight interval.
  • the backlight unit 22 includes an optical switch plate 220 which is formed such that a predetermined region (the region corresponding to the symbol selection region where the predetermined symbol of the reel is located) may be selectively transparent or opaque.
  • the optical switch plate 220 may be formed using a polymer dispersed liquid crystal (PDLC) so that a predetermined region may be selectively transparent or opaque.
  • PDLC polymer dispersed liquid crystal
  • the polymer dispersed liquid crystal is one of liquid crystal cells that can be used in a liquid crystal display (LCD), and is characterized by controlling the transmission of light according to the scattering intensity of the light.
  • LCD liquid crystal display
  • Several types of structures have been proposed, such as polymer dispersed liquid crystals, in which a large number of liquid crystal molecular grains of several micrometers ( ⁇ m) are dispersed in a polymer, and a liquid crystal is contained in a mesh polymer.
  • ⁇ m micrometers
  • the polymer dispersed liquid crystal layer 221 may be formed in a space between a pair of transparent plates 223 and 225 facing each other. That is, as shown in the figure, a pair of transparent plates 223 and 225 are arranged to contact both sides of the polymer dispersed liquid crystal layer 221, respectively.
  • the polymer dispersed liquid crystal is sealed in the spaces formed therebetween, so that the pair of transparent plates 223 and 225 are disposed therebetween.
  • the polymer dispersed liquid crystal layer 221 may be formed. Although the structure for sealing the polymer dispersed liquid crystal layer 221 is not shown in the drawings, such a structure will be apparent to those skilled in the art to which the present invention pertains, and a detailed description thereof will be omitted.
  • the pair of transparent plates 223 and 225 may be formed of a transparent material that can transmit light, for example, may be formed of transparent glass.
  • transparent electrodes 227 and 229 are formed on the surfaces of the pair of transparent plates 223 and 225 facing each other. That is, the transparent electrodes 227 and 229 are formed on the surfaces of the pair of transparent plates 223 and 225 which are in contact with the polymer dispersed liquid crystal layer 221.
  • the transparent electrodes 227 and 229 may be formed of any material that is transparent and electrically conductive.
  • the transparent electrodes 227 and 229 may be formed of indium tin oxide (ITO) that is commonly used as a transparent electrode of a liquid crystal panel.
  • ITO indium tin oxide
  • the transparent electrodes 227 and 229 are formed in predetermined regions of the surfaces of the transparent plates 223 and 225 that contact the polymer dispersed liquid crystal layer 221, respectively.
  • the preset area refers to an area corresponding to a symbol selection area in which a selected symbol of the reel 300 disposed behind the liquid crystal display 200 is located. That is, a plurality of symbols are displayed on the outer circumferential surface of the reel 300. The rotating reel 300 is stopped and the symbol located in front of the reel 300 is a symbol selected for the game.
  • the transparent electrodes 227 and 229 The reel 300 is formed in a region corresponding to an area (ie, a symbol selection region) in which a portion on which a symbol to be selected is displayed is located.
  • the transparent electrodes 227 and 229 may be formed to have substantially the same size and shape as the symbol selection area. Accordingly, when viewed from the front of the liquid crystal display 200, the transparent electrodes 227 and 229 and the region in which the selected symbol is displayed among the symbols displayed on the reel 300 (that is, the symbol selection region) overlap each other.
  • the transparent electrodes 227 and 229 are connected to an external power source (not shown) so that a voltage can be applied therebetween, and the liquid crystal display 200 has a transparent electrode 227 or 229. Electrical circuitry that controls to be selectively applied).
  • the backlight unit 22 may include a half mirror 240 disposed behind the optical switch plate.
  • Half mirror 240 reflects some of the light that reaches the surface and transmits some of it, as is known in the art, and has a predetermined light reflectance and light transmittance.
  • the light reflectance of the half mirror 240 is not necessarily 50%, and may be set to an appropriate level.
  • a half-mirror with 50% light reflectance and 50% light transmittance reflects 50% of the light reaching the surface and the other 50% transmits 60% light reflectance and 40% light transmittance.
  • the half mirror with reflects 60% of the light reaching the surface and transmits the remaining 40%.
  • the backlight unit 22 may include a first light source 231 disposed in front of the half mirror 240 and a second light source 233 disposed behind the half mirror 240.
  • the first light source 231 emits light traveling forward through the light switch plate 220.
  • the first light source 231 may be disposed between the optical switch plate 220 and the half mirror 240 as shown in the drawing, or may be disposed adjacent to the side surface of the optical switch plate 220.
  • a frame for fixing the first light source 231 and the second light source 233 may be provided, respectively, and the first light source 231 and the second light source 233 may be provided.
  • the number and location may vary.
  • the first and second light sources 231 and 233 may be implemented as any device capable of emitting light such as a cathode ray lamp or an LED lamp.
  • the polymer dispersed liquid crystal layer 221 formed between the pair of transparent plates 223 and 225 diffuses the light from the first light source 231 or the second light source 233 to make the light more uniform. Will be performed. As light diffuses by the polymer dispersed liquid crystal layer 221 and then proceeds to the front surface, the luminance becomes more uniform and the viewing angle becomes larger.
  • the reel 300 is mounted in the body 101 of the game machine so as to be disposed behind the liquid crystal display 200.
  • a plurality of reels 300 may be provided, and each reel 300 may be disposed adjacent to each other in a parallel state.
  • Each reel 300 may be installed to rotate independently of each other.
  • the reel 300 may include a reel drum 301 and a reel strip 303 attached to an outer circumferential surface of the reel drum 301. And a motor (not shown) for rotating the reel drum 301 may be provided.
  • the reel strip 303 may be formed of a semipermeable resin.
  • a plurality of symbols 307 may be displayed on the outer circumferential surface of the reel strip 303, and each symbol 305 may be arranged at equal intervals such that there is a space between neighboring symbols.
  • the symbol may be any symbol such as a number, a figure, a character, and the like.
  • the area where the symbol 307 is displayed on the surface of the reel strip 303 is called a symbol display area. That is, each reel 300 has the same number of symbol display regions as the number of symbols 307 displayed on its outer circumferential surface.
  • Each reel 300 may rotate to stop while any one of the symbol display areas in which the symbol 307 is displayed is located at the center of the front surface.
  • the virtual area corresponding to the front center of the symbol display area where the symbol 307 is displayed is called a symbol selection area.
  • the light source 307 may be installed behind the symbol display area, which is the area where the symbol 305 of the reel 300 is displayed.
  • a light source 307 may be installed on a seating plate 309 positioned behind the symbol display area in which the symbol 305 is displayed.
  • the light source 307 may be any light source capable of emitting light, such as an LED lamp. By the light source 307, the symbol displayed in the symbol display area can be seen more clearly.
  • the area occupied by the transparent electrodes 227 and 229 formed on the pair of transparent plates 223 and 225 is a position corresponding to the symbol selection area of the reel 300.
  • the number, position, size, and shape of the transparent electrodes 227 and 229 formed on the transparent plates 223 and 225 correspond to the number, position, size, and shape of the symbol selection area of the reel 300, respectively.
  • the three transparent electrodes 227 and 229 are provided, respectively, and the positions of the symbol selection region and the symbol selection region. It has a position and a shape corresponding to the shape.
  • FIG. 5 is a view for explaining a case in which the liquid crystal panel 21 is driven without the game using the reel 300 in the game machine according to an embodiment of the present invention
  • Figure 6 is a game machine according to an embodiment of the present invention This is a diagram for explaining a case in which a game using a reel is performed.
  • the preset area of the optical switch plate 220 is controlled to be in an opaque state.
  • the second light source 233 is controlled to an off state, and the first light source 231 is controlled to an on state.
  • the transparent plates 223 and 225 and the transparent electrodes 227 and 229 of the optical switch plate 220 are not shown for convenience in FIG. 5.
  • the entire polymer dispersed liquid crystal layer 221 becomes opaque due to the characteristics of the polymer dispersed liquid crystal. Therefore, the light emitted from the first light source 231 passes through the optical switch plate 220 and passes through the liquid crystal panel 21 to display an image, and the reel 300 behind the optical switch plate 220 in an opaque state is displayed. Is not visible in front of the game machine.
  • the half mirror 240 performs a function of preventing image quality reduction and distortion caused by light reflected by the reel 300. That is, when the half mirror 240 is not present, the light reaching the reel 300 among the light emitted from the first light source 231 is reflected on the surface of the reel 300 so that a portion of the light travels forward and the liquid crystal panel 21 is moved forward. In this case, light may be unevenly reflected by various symbols displayed on the surface of the reel 300 to travel forward, which may cause stains or various distortions of the image displayed by the liquid crystal panel 21. Can cause.
  • the half mirror 240 when the half mirror 240 is provided, part of the light reflected by the first light source 231 and traveling backward (light at a ratio corresponding to the reflectance of the half mirror) is reflected and only the remaining light is half mirror 240. After passing through the reel 300, the light reflected by the reel 300 passes through the half mirror 240, and then moves forward. In this process, some parts are reflected again and only the other half of the half mirror ( After passing through 240, it proceeds to the front. For example, when the reflectivity of the half mirror 240 is 50%, 50% of the light emitted from the first light source 231 passes through the half mirror 240 to reach the reel 300 and is reflected back here to be half mirror.
  • the first light source 231 may be controlled to an on state or may be controlled to an off state.
  • the present invention relates to a backlight unit, a liquid crystal display device and a game machine including the same, and thus may be applied to a display device, a game machine, and the like.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Dispersion Chemistry (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Liquid Crystal (AREA)

Abstract

Une machine de jeu comprend : un panneau d'affichage à cristaux liquides; une unité de rétro-éclairage agencée sur le côté arrière du panneau d'affichage à cristaux liquides; et une ou plusieurs bobines qui sont agencées sur le côté arrière de l'unité de rétro-éclairage et dans lesquelles une pluralité de symboles est affichée. L'unité de rétro-éclairage comprend : une plaque de commutateur optique qui forme sélectivement un état transparent ou un état opaque d'une zone prédéterminée correspondant à une zone de sélection de symbole comme emplacement du symbole sélectionné parmi la pluralité de symboles affichée dans la bobine au moyen d'une couche à cristaux liquides de type à dispersion de polymère; un demi-miroir qui est agencé sur le côté arrière de la plaque de commutateur optique; une première source lumineuse qui est agencée dans l'avant du demi-miroir pour l'émission d'une lumière se déplaçant à travers la plaque de commutateur optique vers le côté avant; et une seconde source lumineuse qui est agencée sur le côté arrière du demi-miroir pour l'émission de la lumière.
PCT/KR2012/006619 2011-08-22 2012-08-21 Unité de rétro-éclairage et dispositif d'affichage à cristaux liquides et machine de jeu comprenant ceux-ci WO2013027992A2 (fr)

Priority Applications (3)

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AU2012299609A AU2012299609B2 (en) 2011-08-22 2012-08-21 Backlight unit and liquid crystal display device and gaming machine including same
EP12826362.1A EP2737931A4 (fr) 2011-08-22 2012-08-21 Unité de rétro-éclairage et dispositif d'affichage à cristaux liquides et machine de jeu comprenant ceux-ci
US14/239,853 US20140200069A1 (en) 2011-08-22 2012-08-21 Backlight unit and liquid crystal display device and gaming machine including same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0083225 2011-08-22
KR1020110083225A KR101333769B1 (ko) 2011-08-22 2011-08-22 백라이트 유닛, 그리고 이를 포함하는 액정 표시 장치와 게임기

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WO2013027992A3 WO2013027992A3 (fr) 2013-05-10

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US (1) US20140200069A1 (fr)
EP (1) EP2737931A4 (fr)
KR (1) KR101333769B1 (fr)
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WO (1) WO2013027992A2 (fr)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
JP6365115B2 (ja) * 2014-08-25 2018-08-01 オムロン株式会社 表示装置
JP6417952B2 (ja) * 2015-01-15 2018-11-07 オムロン株式会社 演出制御装置、遊技機及びプログラム
CN106405932A (zh) * 2016-09-28 2017-02-15 京东方科技集团股份有限公司 一种背光模组及显示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060049328A (ko) 2004-10-25 2006-05-18 아르재 가부시키가이샤 게임기
KR20070055766A (ko) 2005-11-28 2007-05-31 주식회사 토비스 디스플레이 화면이 구비된 게임머신

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432461A (en) * 1991-06-28 1995-07-11 Photon Dynamics, Inc. Method of testing active matrix liquid crystal display substrates
US6118414A (en) * 1997-12-02 2000-09-12 Kintz; Gregory J. Virtual reality system and method
US20070004513A1 (en) * 2002-08-06 2007-01-04 Igt Gaming machine with layered displays
JP2005021612A (ja) * 2003-07-03 2005-01-27 Samii Kk 遊技機及び遊技機用表示パネル
JP2007215983A (ja) * 2006-01-19 2007-08-30 Active Inc 遊技機用液晶シャッター装置
KR100858868B1 (ko) * 2006-11-07 2008-09-17 주식회사 토비스 슬롯머신용 릴게임에서의 절환게임이 가능한 화상디스플레이 패널 투광구조
JP4652386B2 (ja) * 2007-10-01 2011-03-16 株式会社ソフイア 遊技機
KR100956618B1 (ko) * 2008-06-09 2010-05-11 주식회사 토비스 백라이트 유닛, 그리고 이를 포함하는 액정 표시 장치와게임기
US8425318B2 (en) * 2008-08-21 2013-04-23 Wms Gaming, Inc. Multiple wagering game displays from single input
US20140243067A1 (en) * 2013-02-26 2014-08-28 Igt Video display with window opening

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060049328A (ko) 2004-10-25 2006-05-18 아르재 가부시키가이샤 게임기
KR20070055766A (ko) 2005-11-28 2007-05-31 주식회사 토비스 디스플레이 화면이 구비된 게임머신

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2737931A4

Also Published As

Publication number Publication date
WO2013027992A3 (fr) 2013-05-10
US20140200069A1 (en) 2014-07-17
AU2012299609B2 (en) 2015-04-16
AU2012299609A1 (en) 2014-03-13
KR101333769B1 (ko) 2013-11-29
EP2737931A2 (fr) 2014-06-04
KR20130020988A (ko) 2013-03-05
EP2737931A4 (fr) 2015-05-20

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